Finding the Fourth Proportional to 42,541,647.40, 63,799,085.98 and 13,781,110.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,541,647.40 : 63,799,085.98 = 13,781,110.12 : x
2. Step 2: Convert to fraction form
   42,541,647.40/63,799,085.98 = 13,781,110.12/x
3. Step 3: Cross multiply
   42,541,647.40x = 63,799,085.98 × 13,781,110.12
4. Step 4: Simplify right side
   42,541,647.40x = 879,222,229,445,728
5. Step 5: Solve for x
   x = 879,222,229,445,728/42,541,647.40
6. Step 6: Final answer
   x = 20,667,329.15