Finding the Fourth Proportional to 850,061.63, 1,173,085.05 and 468,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   850,061.63 : 1,173,085.05 = 468,087.50 : x
2. Step 2: Convert to fraction form
   850,061.63/1,173,085.05 = 468,087.50/x
3. Step 3: Cross multiply
   850,061.63x = 1,173,085.05 × 468,087.50
4. Step 4: Simplify right side
   850,061.63x = 549,106,442,476.45
5. Step 5: Solve for x
   x = 549,106,442,476.45/850,061.63
6. Step 6: Final answer
   x = 645,960.75