Finding the Fourth Proportional to 1,058,484.72, 1,587,662.72 and 375,405.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058,484.72 : 1,587,662.72 = 375,405.36 : x
2. Step 2: Convert to fraction form
   1,058,484.72/1,587,662.72 = 375,405.36/x
3. Step 3: Cross multiply
   1,058,484.72x = 1,587,662.72 × 375,405.36
4. Step 4: Simplify right side
   1,058,484.72x = 596,017,094,960.18
5. Step 5: Solve for x
   x = 596,017,094,960.18/1,058,484.72
6. Step 6: Final answer
   x = 563,085.21