Finding the Fourth Proportional to 510,880.53, 766,459.12 and 191,064.88

Step by Step Solution

1. Step 1: Write the proportion equation
   510,880.53 : 766,459.12 = 191,064.88 : x
2. Step 2: Convert to fraction form
   510,880.53/766,459.12 = 191,064.88/x
3. Step 3: Cross multiply
   510,880.53x = 766,459.12 × 191,064.88
4. Step 4: Simplify right side
   510,880.53x = 146,443,416,583.72
5. Step 5: Solve for x
   x = 146,443,416,583.72/510,880.53
6. Step 6: Final answer
   x = 286,649.05