Finding the Fourth Proportional to 1,404.93, 1,938.93 and 807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.93 : 1,938.93 = 807.50 : x
2. Step 2: Convert to fraction form
   1,404.93/1,938.93 = 807.50/x
3. Step 3: Cross multiply
   1,404.93x = 1,938.93 × 807.50
4. Step 4: Simplify right side
   1,404.93x = 1,565,685.98
5. Step 5: Solve for x
   x = 1,565,685.98/1,404.93
6. Step 6: Final answer
   x = 1,114.42