Finding the Fourth Proportional to 1,116,457.16, 1,540,667.94 and 607,160.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,457.16 : 1,540,667.94 = 607,160.12 : x
2. Step 2: Convert to fraction form
   1,116,457.16/1,540,667.94 = 607,160.12/x
3. Step 3: Cross multiply
   1,116,457.16x = 1,540,667.94 × 607,160.12
4. Step 4: Simplify right side
   1,116,457.16x = 935,432,131,330.55
5. Step 5: Solve for x
   x = 935,432,131,330.55/1,116,457.16
6. Step 6: Final answer
   x = 837,857.61