Finding the Fourth Proportional to 83,336,503.76, 124,903,978.68 and 42,924,942.80

Step by Step Solution

1. Step 1: Write the proportion equation
   83,336,503.76 : 124,903,978.68 = 42,924,942.80 : x
2. Step 2: Convert to fraction form
   83,336,503.76/124,903,978.68 = 42,924,942.80/x
3. Step 3: Cross multiply
   83,336,503.76x = 124,903,978.68 × 42,924,942.80
4. Step 4: Simplify right side
   83,336,503.76x = 5,361,496,140,331,419
5. Step 5: Solve for x
   x = 5,361,496,140,331,419/83,336,503.76
6. Step 6: Final answer
   x = 64,335,506.03