Finding the Fourth Proportional to 63,431,200.65, 88,612,362.15 and 63,431,200.65

Step by Step Solution

1. Step 1: Write the proportion equation
   63,431,200.65 : 88,612,362.15 = 63,431,200.65 : x
2. Step 2: Convert to fraction form
   63,431,200.65/88,612,362.15 = 63,431,200.65/x
3. Step 3: Cross multiply
   63,431,200.65x = 88,612,362.15 × 63,431,200.65
4. Step 4: Simplify right side
   63,431,200.65x = 5,620,788,523,607,116
5. Step 5: Solve for x
   x = 5,620,788,523,607,116/63,431,200.65
6. Step 6: Final answer
   x = 88,612,362.15