Finding the Fourth Proportional to 353,061.25, 487,225.63 and 191,916.81

Step by Step Solution

1. Step 1: Write the proportion equation
   353,061.25 : 487,225.63 = 191,916.81 : x
2. Step 2: Convert to fraction form
   353,061.25/487,225.63 = 191,916.81/x
3. Step 3: Cross multiply
   353,061.25x = 487,225.63 × 191,916.81
4. Step 4: Simplify right side
   353,061.25x = 93,506,788,899.74
5. Step 5: Solve for x
   x = 93,506,788,899.74/353,061.25
6. Step 6: Final answer
   x = 264,845.80