Finding the Fourth Proportional to 57,847,148.79, 86,725,067.79 and 28,680,877.98

Step by Step Solution

1. Step 1: Write the proportion equation
   57,847,148.79 : 86,725,067.79 = 28,680,877.98 : x
2. Step 2: Convert to fraction form
   57,847,148.79/86,725,067.79 = 28,680,877.98/x
3. Step 3: Cross multiply
   57,847,148.79x = 86,725,067.79 × 28,680,877.98
4. Step 4: Simplify right side
   57,847,148.79x = 2,487,351,087,092,218.50
5. Step 5: Solve for x
   x = 2,487,351,087,092,218.50/57,847,148.79
6. Step 6: Final answer
   x = 42,998,680.82