Finding the Fourth Proportional to 116,218,402.49, 160,388,648.96 and 64,007,424.32

Step by Step Solution

1. Step 1: Write the proportion equation
   116,218,402.49 : 160,388,648.96 = 64,007,424.32 : x
2. Step 2: Convert to fraction form
   116,218,402.49/160,388,648.96 = 64,007,424.32/x
3. Step 3: Cross multiply
   116,218,402.49x = 160,388,648.96 × 64,007,424.32
4. Step 4: Simplify right side
   116,218,402.49x = 10,266,064,308,972,266
5. Step 5: Solve for x
   x = 10,266,064,308,972,266/116,218,402.49
6. Step 6: Final answer
   x = 88,334,240.44