Finding the Fourth Proportional to 42,053,169.48, 63,079,333.69 and 13,299,309.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,053,169.48 : 63,079,333.69 = 13,299,309.96 : x
2. Step 2: Convert to fraction form
   42,053,169.48/63,079,333.69 = 13,299,309.96/x
3. Step 3: Cross multiply
   42,053,169.48x = 63,079,333.69 × 13,299,309.96
4. Step 4: Simplify right side
   42,053,169.48x = 838,911,610,813,580.62
5. Step 5: Solve for x
   x = 838,911,610,813,580.62/42,053,169.48
6. Step 6: Final answer
   x = 19,948,831.95