Finding the Fourth Proportional to 10,128,973,601.00, 13,978,065,641.17 and 5,612,928,089.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,128,973,601.00 : 13,978,065,641.17 = 5,612,928,089.06 : x
2. Step 2: Convert to fraction form
   10,128,973,601.00/13,978,065,641.17 = 5,612,928,089.06/x
3. Step 3: Cross multiply
   10,128,973,601.00x = 13,978,065,641.17 × 5,612,928,089.06
4. Step 4: Simplify right side
   10,128,973,601.00x = 78,457,877,267,991,642,112
5. Step 5: Solve for x
   x = 78,457,877,267,991,642,112/10,128,973,601.00
6. Step 6: Final answer
   x = 7,745,886,242.63