Finding the Fourth Proportional to 3,991,834.76, 5,987,666.18 and 1,113,124.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,991,834.76 : 5,987,666.18 = 1,113,124.86 : x
2. Step 2: Convert to fraction form
   3,991,834.76/5,987,666.18 = 1,113,124.86/x
3. Step 3: Cross multiply
   3,991,834.76x = 5,987,666.18 × 1,113,124.86
4. Step 4: Simplify right side
   3,991,834.76x = 6,665,020,072,773.61
5. Step 5: Solve for x
   x = 6,665,020,072,773.61/3,991,834.76
6. Step 6: Final answer
   x = 1,669,663.32