Finding the Fourth Proportional to 1,056,513.49, 1,457,978.27 and 573,071.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056,513.49 : 1,457,978.27 = 573,071.67 : x
2. Step 2: Convert to fraction form
   1,056,513.49/1,457,978.27 = 573,071.67/x
3. Step 3: Cross multiply
   1,056,513.49x = 1,457,978.27 × 573,071.67
4. Step 4: Simplify right side
   1,056,513.49x = 835,526,042,012.61
5. Step 5: Solve for x
   x = 835,526,042,012.61/1,056,513.49
6. Step 6: Final answer
   x = 790,833.29