Finding the Fourth Proportional to 42,638,172.47, 58,840,854.09 and 23,059,060.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,638,172.47 : 58,840,854.09 = 23,059,060.43 : x
2. Step 2: Convert to fraction form
   42,638,172.47/58,840,854.09 = 23,059,060.43/x
3. Step 3: Cross multiply
   42,638,172.47x = 58,840,854.09 × 23,059,060.43
4. Step 4: Simplify right side
   42,638,172.47x = 1,356,814,810,214,122.75
5. Step 5: Solve for x
   x = 1,356,814,810,214,122.75/42,638,172.47
6. Step 6: Final answer
   x = 31,821,598.62