Finding the Fourth Proportional to 9,359,586.17, 12,916,314.42 and 5,492,171.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,359,586.17 : 12,916,314.42 = 5,492,171.78 : x
2. Step 2: Convert to fraction form
   9,359,586.17/12,916,314.42 = 5,492,171.78/x
3. Step 3: Cross multiply
   9,359,586.17x = 12,916,314.42 × 5,492,171.78
4. Step 4: Simplify right side
   9,359,586.17x = 70,938,617,559,131.08
5. Step 5: Solve for x
   x = 70,938,617,559,131.08/9,359,586.17
6. Step 6: Final answer
   x = 7,579,247.23