Finding the Fourth Proportional to 10,921,526.90, 16,392,787.95 and 5,536,258.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,921,526.90 : 16,392,787.95 = 5,536,258.10 : x
2. Step 2: Convert to fraction form
   10,921,526.90/16,392,787.95 = 5,536,258.10/x
3. Step 3: Cross multiply
   10,921,526.90x = 16,392,787.95 × 5,536,258.10
4. Step 4: Simplify right side
   10,921,526.90x = 90,754,705,069,769.89
5. Step 5: Solve for x
   x = 90,754,705,069,769.89/10,921,526.90
6. Step 6: Final answer
   x = 8,309,708.51