Finding the Fourth Proportional to 42,645,974.22, 63,968,909.49 and 13,892,062.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,645,974.22 : 63,968,909.49 = 13,892,062.86 : x
2. Step 2: Convert to fraction form
   42,645,974.22/63,968,909.49 = 13,892,062.86/x
3. Step 3: Cross multiply
   42,645,974.22x = 63,968,909.49 × 13,892,062.86
4. Step 4: Simplify right side
   42,645,974.22x = 888,660,111,720,730.50
5. Step 5: Solve for x
   x = 888,660,111,720,730.50/42,645,974.22
6. Step 6: Final answer
   x = 20,838,077.40