Finding the Fourth Proportional to 64,880,298.24, 89,525,176.32 and 39,406,464

Step by Step Solution

1. Step 1: Write the proportion equation
   64,880,298.24 : 89,525,176.32 = 39,406,464 : x
2. Step 2: Convert to fraction form
   64,880,298.24/89,525,176.32 = 39,406,464/x
3. Step 3: Cross multiply
   64,880,298.24x = 89,525,176.32 × 39,406,464
4. Step 4: Simplify right side
   64,880,298.24x = 3,527,870,637,747,732
5. Step 5: Solve for x
   x = 3,527,870,637,747,732/64,880,298.24
6. Step 6: Final answer
   x = 54,375,068.14