Finding the Fourth Proportional to 1,549,056.52, 2,137,466.10 and 869,861.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,549,056.52 : 2,137,466.10 = 869,861.80 : x
2. Step 2: Convert to fraction form
   1,549,056.52/2,137,466.10 = 869,861.80/x
3. Step 3: Cross multiply
   1,549,056.52x = 2,137,466.10 × 869,861.80
4. Step 4: Simplify right side
   1,549,056.52x = 1,859,300,109,184.98
5. Step 5: Solve for x
   x = 1,859,300,109,184.98/1,549,056.52
6. Step 6: Final answer
   x = 1,200,279.06