Finding the Fourth Proportional to 1,510,086.72, 2,263,555.48 and 612,148.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510,086.72 : 2,263,555.48 = 612,148.32 : x
2. Step 2: Convert to fraction form
   1,510,086.72/2,263,555.48 = 612,148.32/x
3. Step 3: Cross multiply
   1,510,086.72x = 2,263,555.48 × 612,148.32
4. Step 4: Simplify right side
   1,510,086.72x = 1,385,631,684,308.79
5. Step 5: Solve for x
   x = 1,385,631,684,308.79/1,510,086.72
6. Step 6: Final answer
   x = 917,584.18