Finding the Fourth Proportional to 2,156,931.28, 3,235,839.52 and 877,535.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,931.28 : 3,235,839.52 = 877,535.36 : x
2. Step 2: Convert to fraction form
   2,156,931.28/3,235,839.52 = 877,535.36/x
3. Step 3: Cross multiply
   2,156,931.28x = 3,235,839.52 × 877,535.36
4. Step 4: Simplify right side
   2,156,931.28x = 2,839,563,598,085.43
5. Step 5: Solve for x
   x = 2,839,563,598,085.43/2,156,931.28
6. Step 6: Final answer
   x = 1,316,483.11