Finding the Fourth Proportional to 111,115,209.71, 153,311,287.91 and 64,086,667.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,115,209.71 : 153,311,287.91 = 64,086,667.02 : x
2. Step 2: Convert to fraction form
   111,115,209.71/153,311,287.91 = 64,086,667.02/x
3. Step 3: Cross multiply
   111,115,209.71x = 153,311,287.91 × 64,086,667.02
4. Step 4: Simplify right side
   111,115,209.71x = 9,825,209,458,375,088
5. Step 5: Solve for x
   x = 9,825,209,458,375,088/111,115,209.71
6. Step 6: Final answer
   x = 88,423,623.41