Finding the Fourth Proportional to 42,083,241.18, 63,069,056.82 and 21,612,133.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,083,241.18 : 63,069,056.82 = 21,612,133.86 : x
2. Step 2: Convert to fraction form
   42,083,241.18/63,069,056.82 = 21,612,133.86/x
3. Step 3: Cross multiply
   42,083,241.18x = 63,069,056.82 × 21,612,133.86
4. Step 4: Simplify right side
   42,083,241.18x = 1,363,056,898,417,786
5. Step 5: Solve for x
   x = 1,363,056,898,417,786/42,083,241.18
6. Step 6: Final answer
   x = 32,389,541.78