Finding the Fourth Proportional to 42,732,140.76, 64,053,421.38 and 15,788,611.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,732,140.76 : 64,053,421.38 = 15,788,611.80 : x
2. Step 2: Convert to fraction form
   42,732,140.76/64,053,421.38 = 15,788,611.80/x
3. Step 3: Cross multiply
   42,732,140.76x = 64,053,421.38 × 15,788,611.80
4. Step 4: Simplify right side
   42,732,140.76x = 1,011,314,604,630,640.38
5. Step 5: Solve for x
   x = 1,011,314,604,630,640.38/42,732,140.76
6. Step 6: Final answer
   x = 23,666,368.84