Finding the Fourth Proportional to 2,991,893.10, 4,487,839.59 and 748,031.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991,893.10 : 4,487,839.59 = 748,031.10 : x
2. Step 2: Convert to fraction form
   2,991,893.10/4,487,839.59 = 748,031.10/x
3. Step 3: Cross multiply
   2,991,893.10x = 4,487,839.59 × 748,031.10
4. Step 4: Simplify right side
   2,991,893.10x = 3,357,043,585,131.25
5. Step 5: Solve for x
   x = 3,357,043,585,131.25/2,991,893.10
6. Step 6: Final answer
   x = 1,122,046.63