Finding the Fourth Proportional to 1,154,753.37, 1,593,526.59 and 638,498.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,154,753.37 : 1,593,526.59 = 638,498.34 : x
2. Step 2: Convert to fraction form
   1,154,753.37/1,593,526.59 = 638,498.34/x
3. Step 3: Cross multiply
   1,154,753.37x = 1,593,526.59 × 638,498.34
4. Step 4: Simplify right side
   1,154,753.37x = 1,017,464,082,460.86
5. Step 5: Solve for x
   x = 1,017,464,082,460.86/1,154,753.37
6. Step 6: Final answer
   x = 881,109.43