Finding the Fourth Proportional to 562,742.34, 776,693.72 and 426,538.72

Step by Step Solution

1. Step 1: Write the proportion equation
   562,742.34 : 776,693.72 = 426,538.72 : x
2. Step 2: Convert to fraction form
   562,742.34/776,693.72 = 426,538.72/x
3. Step 3: Cross multiply
   562,742.34x = 776,693.72 × 426,538.72
4. Step 4: Simplify right side
   562,742.34x = 331,289,945,160.84
5. Step 5: Solve for x
   x = 331,289,945,160.84/562,742.34
6. Step 6: Final answer
   x = 588,706.27