Finding the Fourth Proportional to 2,152,159.60, 2,970,114.52 and 1,185,289.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,159.60 : 2,970,114.52 = 1,185,289.65 : x
2. Step 2: Convert to fraction form
   2,152,159.60/2,970,114.52 = 1,185,289.65/x
3. Step 3: Cross multiply
   2,152,159.60x = 2,970,114.52 × 1,185,289.65
4. Step 4: Simplify right side
   2,152,159.60x = 3,520,445,999,870.72
5. Step 5: Solve for x
   x = 3,520,445,999,870.72/2,152,159.60
6. Step 6: Final answer
   x = 1,635,773.67