Finding the Fourth Proportional to 762,091.72, 1,142,904.12 and 526,945.48

Step by Step Solution

1. Step 1: Write the proportion equation
   762,091.72 : 1,142,904.12 = 526,945.48 : x
2. Step 2: Convert to fraction form
   762,091.72/1,142,904.12 = 526,945.48/x
3. Step 3: Cross multiply
   762,091.72x = 1,142,904.12 × 526,945.48
4. Step 4: Simplify right side
   762,091.72x = 602,248,160,107.38
5. Step 5: Solve for x
   x = 602,248,160,107.38/762,091.72
6. Step 6: Final answer
   x = 790,256.79