Finding the Fourth Proportional to 2,885,322.56, 4,328,272.48 and 991,814.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,885,322.56 : 4,328,272.48 = 991,814.72 : x
2. Step 2: Convert to fraction form
   2,885,322.56/4,328,272.48 = 991,814.72/x
3. Step 3: Cross multiply
   2,885,322.56x = 4,328,272.48 × 991,814.72
4. Step 4: Simplify right side
   2,885,322.56x = 4,292,844,357,834.91
5. Step 5: Solve for x
   x = 4,292,844,357,834.91/2,885,322.56
6. Step 6: Final answer
   x = 1,487,821.30