Finding the Fourth Proportional to 12,042,264.78, 16,617,719.16 and 7,147,700.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,042,264.78 : 16,617,719.16 = 7,147,700.46 : x
2. Step 2: Convert to fraction form
   12,042,264.78/16,617,719.16 = 7,147,700.46/x
3. Step 3: Cross multiply
   12,042,264.78x = 16,617,719.16 × 7,147,700.46
4. Step 4: Simplify right side
   12,042,264.78x = 118,778,478,884,082.81
5. Step 5: Solve for x
   x = 118,778,478,884,082.81/12,042,264.78
6. Step 6: Final answer
   x = 9,863,466.80