Finding the Fourth Proportional to 1,156,700.34, 1,735,131.60 and 357,876.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156,700.34 : 1,735,131.60 = 357,876.72 : x
2. Step 2: Convert to fraction form
   1,156,700.34/1,735,131.60 = 357,876.72/x
3. Step 3: Cross multiply
   1,156,700.34x = 1,735,131.60 × 357,876.72
4. Step 4: Simplify right side
   1,156,700.34x = 620,963,205,776.35
5. Step 5: Solve for x
   x = 620,963,205,776.35/1,156,700.34
6. Step 6: Final answer
   x = 536,840.17