Finding the Fourth Proportional to 13,215,872.88, 19,824,764.85 and 5,531,789.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,215,872.88 : 19,824,764.85 = 5,531,789.52 : x
2. Step 2: Convert to fraction form
   13,215,872.88/19,824,764.85 = 5,531,789.52/x
3. Step 3: Cross multiply
   13,215,872.88x = 19,824,764.85 × 5,531,789.52
4. Step 4: Simplify right side
   13,215,872.88x = 109,666,426,433,694.38
5. Step 5: Solve for x
   x = 109,666,426,433,694.38/13,215,872.88
6. Step 6: Final answer
   x = 8,298,084.24