Finding the Fourth Proportional to 42,083,242.47, 63,069,058.75 and 21,612,135.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,083,242.47 : 63,069,058.75 = 21,612,135.15 : x
2. Step 2: Convert to fraction form
   42,083,242.47/63,069,058.75 = 21,612,135.15/x
3. Step 3: Cross multiply
   42,083,242.47x = 63,069,058.75 × 21,612,135.15
4. Step 4: Simplify right side
   42,083,242.47x = 1,363,057,021,488,290
5. Step 5: Solve for x
   x = 1,363,057,021,488,290/42,083,242.47
6. Step 6: Final answer
   x = 32,389,543.71