Finding the Fourth Proportional to 72,771,162.10, 109,156,743.15 and 21,646,537.90

Step by Step Solution

1. Step 1: Write the proportion equation
   72,771,162.10 : 109,156,743.15 = 21,646,537.90 : x
2. Step 2: Convert to fraction form
   72,771,162.10/109,156,743.15 = 21,646,537.90/x
3. Step 3: Cross multiply
   72,771,162.10x = 109,156,743.15 × 21,646,537.90
4. Step 4: Simplify right side
   72,771,162.10x = 2,362,865,577,637,040.50
5. Step 5: Solve for x
   x = 2,362,865,577,637,040.50/72,771,162.10
6. Step 6: Final answer
   x = 32,469,806.85