Finding the Fourth Proportional to 42,732,188.76, 64,053,493.38 and 15,788,659.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,732,188.76 : 64,053,493.38 = 15,788,659.80 : x
2. Step 2: Convert to fraction form
   42,732,188.76/64,053,493.38 = 15,788,659.80/x
3. Step 3: Cross multiply
   42,732,188.76x = 64,053,493.38 × 15,788,659.80
4. Step 4: Simplify right side
   42,732,188.76x = 1,011,318,815,978,372.25
5. Step 5: Solve for x
   x = 1,011,318,815,978,372.25/42,732,188.76
6. Step 6: Final answer
   x = 23,666,440.81