Finding the Fourth Proportional to 1,499.88, 2,070.51 and 902.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.88 : 2,070.51 = 902.64 : x
2. Step 2: Convert to fraction form
   1,499.88/2,070.51 = 902.64/x
3. Step 3: Cross multiply
   1,499.88x = 2,070.51 × 902.64
4. Step 4: Simplify right side
   1,499.88x = 1,868,925.15
5. Step 5: Solve for x
   x = 1,868,925.15/1,499.88
6. Step 6: Final answer
   x = 1,246.05