Finding the Fourth Proportional to 412,826,066.47, 569,700,064.72 and 227,187,082.16

Step by Step Solution

1. Step 1: Write the proportion equation
   412,826,066.47 : 569,700,064.72 = 227,187,082.16 : x
2. Step 2: Convert to fraction form
   412,826,066.47/569,700,064.72 = 227,187,082.16/x
3. Step 3: Cross multiply
   412,826,066.47x = 569,700,064.72 × 227,187,082.16
4. Step 4: Simplify right side
   412,826,066.47x = 129,428,495,409,671,824
5. Step 5: Solve for x
   x = 129,428,495,409,671,824/412,826,066.47
6. Step 6: Final answer
   x = 313,518,224.55