Finding the Fourth Proportional to 116,955,468.90, 161,400,449.61 and 64,031,287.14

Step by Step Solution

1. Step 1: Write the proportion equation
   116,955,468.90 : 161,400,449.61 = 64,031,287.14 : x
2. Step 2: Convert to fraction form
   116,955,468.90/161,400,449.61 = 64,031,287.14/x
3. Step 3: Cross multiply
   116,955,468.90x = 161,400,449.61 × 64,031,287.14
4. Step 4: Simplify right side
   116,955,468.90x = 10,334,678,533,503,012
5. Step 5: Solve for x
   x = 10,334,678,533,503,012/116,955,468.90
6. Step 6: Final answer
   x = 88,364,217.86