Finding the Fourth Proportional to 1,510,090.72, 2,263,561.48 and 612,152.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510,090.72 : 2,263,561.48 = 612,152.32 : x
2. Step 2: Convert to fraction form
   1,510,090.72/2,263,561.48 = 612,152.32/x
3. Step 3: Cross multiply
   1,510,090.72x = 2,263,561.48 × 612,152.32
4. Step 4: Simplify right side
   1,510,090.72x = 1,385,644,411,444.63
5. Step 5: Solve for x
   x = 1,385,644,411,444.63/1,510,090.72
6. Step 6: Final answer
   x = 917,590.18