Finding the Fourth Proportional to 88,315,476.72, 121,875,363.72 and 49,156,413.08

Step by Step Solution

1. Step 1: Write the proportion equation
   88,315,476.72 : 121,875,363.72 = 49,156,413.08 : x
2. Step 2: Convert to fraction form
   88,315,476.72/121,875,363.72 = 49,156,413.08/x
3. Step 3: Cross multiply
   88,315,476.72x = 121,875,363.72 × 49,156,413.08
4. Step 4: Simplify right side
   88,315,476.72x = 5,990,955,723,295,565
5. Step 5: Solve for x
   x = 5,990,955,723,295,565/88,315,476.72
6. Step 6: Final answer
   x = 67,835,853.30