Finding the Fourth Proportional to 42,616,020.63, 63,925,221.94 and 13,862,156.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,616,020.63 : 63,925,221.94 = 13,862,156.32 : x
2. Step 2: Convert to fraction form
   42,616,020.63/63,925,221.94 = 13,862,156.32/x
3. Step 3: Cross multiply
   42,616,020.63x = 63,925,221.94 × 13,862,156.32
4. Step 4: Simplify right side
   42,616,020.63x = 886,141,419,322,973.62
5. Step 5: Solve for x
   x = 886,141,419,322,973.62/42,616,020.63
6. Step 6: Final answer
   x = 20,793,621.89