Finding the Fourth Proportional to 42,753,312.72, 58,997,990.90 and 23,173,780.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,753,312.72 : 58,997,990.90 = 23,173,780.70 : x
2. Step 2: Convert to fraction form
   42,753,312.72/58,997,990.90 = 23,173,780.70/x
3. Step 3: Cross multiply
   42,753,312.72x = 58,997,990.90 × 23,173,780.70
4. Step 4: Simplify right side
   42,753,312.72x = 1,367,206,503,062,625.25
5. Step 5: Solve for x
   x = 1,367,206,503,062,625.25/42,753,312.72
6. Step 6: Final answer
   x = 31,978,960.60