Finding the Fourth Proportional to 89,785,844.10, 134,614,128.54 and 55,170,726.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,785,844.10 : 134,614,128.54 = 55,170,726.15 : x
2. Step 2: Convert to fraction form
   89,785,844.10/134,614,128.54 = 55,170,726.15/x
3. Step 3: Cross multiply
   89,785,844.10x = 134,614,128.54 × 55,170,726.15
4. Step 4: Simplify right side
   89,785,844.10x = 7,426,759,221,601,239
5. Step 5: Solve for x
   x = 7,426,759,221,601,239/89,785,844.10
6. Step 6: Final answer
   x = 82,716,371.34