Finding the Fourth Proportional to 42,799,811.85, 64,204,587.50 and 15,518,953.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,799,811.85 : 64,204,587.50 = 15,518,953.53 : x
2. Step 2: Convert to fraction form
   42,799,811.85/64,204,587.50 = 15,518,953.53/x
3. Step 3: Cross multiply
   42,799,811.85x = 64,204,587.50 × 15,518,953.53
4. Step 4: Simplify right side
   42,799,811.85x = 996,388,009,747,724
5. Step 5: Solve for x
   x = 996,388,009,747,724/42,799,811.85
6. Step 6: Final answer
   x = 23,280,196.03