Finding the Fourth Proportional to 2,142,684.29, 2,956,895.55 and 1,175,830.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,684.29 : 2,956,895.55 = 1,175,830.70 : x
2. Step 2: Convert to fraction form
   2,142,684.29/2,956,895.55 = 1,175,830.70/x
3. Step 3: Cross multiply
   2,142,684.29x = 2,956,895.55 × 1,175,830.70
4. Step 4: Simplify right side
   2,142,684.29x = 3,476,808,549,598.91
5. Step 5: Solve for x
   x = 3,476,808,549,598.91/2,142,684.29
6. Step 6: Final answer
   x = 1,622,641.54