Finding the Fourth Proportional to 22,386,908.10, 33,588,656.55 and 21,557,468.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,386,908.10 : 33,588,656.55 = 21,557,468.10 : x
2. Step 2: Convert to fraction form
   22,386,908.10/33,588,656.55 = 21,557,468.10/x
3. Step 3: Cross multiply
   22,386,908.10x = 33,588,656.55 × 21,557,468.10
4. Step 4: Simplify right side
   22,386,908.10x = 724,086,392,098,481
5. Step 5: Solve for x
   x = 724,086,392,098,481/22,386,908.10
6. Step 6: Final answer
   x = 32,344,189.24