Finding the Fourth Proportional to 2,107,291.42, 2,908,071.42 and 1,140,421.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,291.42 : 2,908,071.42 = 1,140,421.86 : x
2. Step 2: Convert to fraction form
   2,107,291.42/2,908,071.42 = 1,140,421.86/x
3. Step 3: Cross multiply
   2,107,291.42x = 2,908,071.42 × 1,140,421.86
4. Step 4: Simplify right side
   2,107,291.42x = 3,316,428,217,809.24
5. Step 5: Solve for x
   x = 3,316,428,217,809.24/2,107,291.42
6. Step 6: Final answer
   x = 1,573,787.18