Finding the Fourth Proportional to 731,500.05, 1,097,023.18 and 258,074.70

Step by Step Solution

1. Step 1: Write the proportion equation
   731,500.05 : 1,097,023.18 = 258,074.70 : x
2. Step 2: Convert to fraction form
   731,500.05/1,097,023.18 = 258,074.70/x
3. Step 3: Cross multiply
   731,500.05x = 1,097,023.18 × 258,074.70
4. Step 4: Simplify right side
   731,500.05x = 283,113,928,071.55
5. Step 5: Solve for x
   x = 283,113,928,071.55/731,500.05
6. Step 6: Final answer
   x = 387,032.00