Finding the Fourth Proportional to 1,549,211.02, 2,138,111.31 and 870,147.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,549,211.02 : 2,138,111.31 = 870,147.52 : x
2. Step 2: Convert to fraction form
   1,549,211.02/2,138,111.31 = 870,147.52/x
3. Step 3: Cross multiply
   1,549,211.02x = 2,138,111.31 × 870,147.52
4. Step 4: Simplify right side
   1,549,211.02x = 1,860,472,253,880.45
5. Step 5: Solve for x
   x = 1,860,472,253,880.45/1,549,211.02
6. Step 6: Final answer
   x = 1,200,915.97