Finding the Fourth Proportional to 1,931,449.16, 2,665,527.18 and 1,115,687.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931,449.16 : 2,665,527.18 = 1,115,687.18 : x
2. Step 2: Convert to fraction form
   1,931,449.16/2,665,527.18 = 1,115,687.18/x
3. Step 3: Cross multiply
   1,931,449.16x = 2,665,527.18 × 1,115,687.18
4. Step 4: Simplify right side
   1,931,449.16x = 2,973,894,502,667.55
5. Step 5: Solve for x
   x = 2,973,894,502,667.55/1,931,449.16
6. Step 6: Final answer
   x = 1,539,721.86