Finding the Fourth Proportional to 100,037,143.89, 138,048,293.61 and 55,385,106.06

Step by Step Solution

1. Step 1: Write the proportion equation
   100,037,143.89 : 138,048,293.61 = 55,385,106.06 : x
2. Step 2: Convert to fraction form
   100,037,143.89/138,048,293.61 = 55,385,106.06/x
3. Step 3: Cross multiply
   100,037,143.89x = 138,048,293.61 × 55,385,106.06
4. Step 4: Simplify right side
   100,037,143.89x = 7,645,819,382,991,871
5. Step 5: Solve for x
   x = 7,645,819,382,991,871/100,037,143.89
6. Step 6: Final answer
   x = 76,429,804.83