Finding the Fourth Proportional to 1,913,460.32, 2,640,588.72 and 1,097,699.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,913,460.32 : 2,640,588.72 = 1,097,699.60 : x
2. Step 2: Convert to fraction form
   1,913,460.32/2,640,588.72 = 1,097,699.60/x
3. Step 3: Cross multiply
   1,913,460.32x = 2,640,588.72 × 1,097,699.60
4. Step 4: Simplify right side
   1,913,460.32x = 2,898,573,181,708.51
5. Step 5: Solve for x
   x = 2,898,573,181,708.51/1,913,460.32
6. Step 6: Final answer
   x = 1,514,833.18