Finding the Fourth Proportional to 12,404,955.70, 18,612,963.15 and 5,669,902.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404,955.70 : 18,612,963.15 = 5,669,902.90 : x
2. Step 2: Convert to fraction form
   12,404,955.70/18,612,963.15 = 5,669,902.90/x
3. Step 3: Cross multiply
   12,404,955.70x = 18,612,963.15 × 5,669,902.90
4. Step 4: Simplify right side
   12,404,955.70x = 105,533,693,741,778.14
5. Step 5: Solve for x
   x = 105,533,693,741,778.14/12,404,955.70
6. Step 6: Final answer
   x = 8,507,381.75