Finding the Fourth Proportional to 2,345.55, 3,518.93 and 1,047.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.55 : 3,518.93 = 1,047.93 : x
2. Step 2: Convert to fraction form
   2,345.55/3,518.93 = 1,047.93/x
3. Step 3: Cross multiply
   2,345.55x = 3,518.93 × 1,047.93
4. Step 4: Simplify right side
   2,345.55x = 3,687,592.31
5. Step 5: Solve for x
   x = 3,687,592.31/2,345.55
6. Step 6: Final answer
   x = 1,572.17