Finding the Fourth Proportional to 22,653,123.78, 31,259,837.52 and 13,358,562.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,653,123.78 : 31,259,837.52 = 13,358,562.06 : x
2. Step 2: Convert to fraction form
   22,653,123.78/31,259,837.52 = 13,358,562.06/x
3. Step 3: Cross multiply
   22,653,123.78x = 31,259,837.52 × 13,358,562.06
4. Step 4: Simplify right side
   22,653,123.78x = 417,586,479,496,436.50
5. Step 5: Solve for x
   x = 417,586,479,496,436.50/22,653,123.78
6. Step 6: Final answer
   x = 18,433,946.84