Finding the Fourth Proportional to 31,989,886.47, 44,148,411.89 and 18,239,196.87

Step by Step Solution

1. Step 1: Write the proportion equation
   31,989,886.47 : 44,148,411.89 = 18,239,196.87 : x
2. Step 2: Convert to fraction form
   31,989,886.47/44,148,411.89 = 18,239,196.87/x
3. Step 3: Cross multiply
   31,989,886.47x = 44,148,411.89 × 18,239,196.87
4. Step 4: Simplify right side
   31,989,886.47x = 805,231,575,868,362.75
5. Step 5: Solve for x
   x = 805,231,575,868,362.75/31,989,886.47
6. Step 6: Final answer
   x = 25,171,442.13