Finding the Fourth Proportional to 3,316,824.72, 4,975,264.91 and 920,856.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,316,824.72 : 4,975,264.91 = 920,856.17 : x
2. Step 2: Convert to fraction form
   3,316,824.72/4,975,264.91 = 920,856.17/x
3. Step 3: Cross multiply
   3,316,824.72x = 4,975,264.91 × 920,856.17
4. Step 4: Simplify right side
   3,316,824.72x = 4,581,503,404,498.30
5. Step 5: Solve for x
   x = 4,581,503,404,498.30/3,316,824.72
6. Step 6: Final answer
   x = 1,381,291.99