Finding the Fourth Proportional to 116,218,403.67, 160,388,650.59 and 64,007,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,218,403.67 : 160,388,650.59 = 64,007,425.50 : x
2. Step 2: Convert to fraction form
   116,218,403.67/160,388,650.59 = 64,007,425.50/x
3. Step 3: Cross multiply
   116,218,403.67x = 160,388,650.59 × 64,007,425.50
4. Step 4: Simplify right side
   116,218,403.67x = 10,266,064,603,684,956
5. Step 5: Solve for x
   x = 10,266,064,603,684,956/116,218,403.67
6. Step 6: Final answer
   x = 88,334,242.08