Finding the Fourth Proportional to 715,814.82, 1,071,385.79 and 526,225.01

Step by Step Solution

1. Step 1: Write the proportion equation
   715,814.82 : 1,071,385.79 = 526,225.01 : x
2. Step 2: Convert to fraction form
   715,814.82/1,071,385.79 = 526,225.01/x
3. Step 3: Cross multiply
   715,814.82x = 1,071,385.79 × 526,225.01
4. Step 4: Simplify right side
   715,814.82x = 563,789,990,068.55
5. Step 5: Solve for x
   x = 563,789,990,068.55/715,814.82
6. Step 6: Final answer
   x = 787,619.89