Finding the Fourth Proportional to 42,541,615.86, 63,799,038.81 and 13,781,078.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,541,615.86 : 63,799,038.81 = 13,781,078.70 : x
2. Step 2: Convert to fraction form
   42,541,615.86/63,799,038.81 = 13,781,078.70/x
3. Step 3: Cross multiply
   42,541,615.86x = 63,799,038.81 × 13,781,078.70
4. Step 4: Simplify right side
   42,541,615.86x = 879,219,574,824,964.38
5. Step 5: Solve for x
   x = 879,219,574,824,964.38/42,541,615.86
6. Step 6: Final answer
   x = 20,667,282.07