Finding the Fourth Proportional to 617,051.00, 851,532.38 and 345,123.56

Step by Step Solution

1. Step 1: Write the proportion equation
   617,051.00 : 851,532.38 = 345,123.56 : x
2. Step 2: Convert to fraction form
   617,051.00/851,532.38 = 345,123.56/x
3. Step 3: Cross multiply
   617,051.00x = 851,532.38 × 345,123.56
4. Step 4: Simplify right side
   617,051.00x = 293,883,880,457.59
5. Step 5: Solve for x
   x = 293,883,880,457.59/617,051.00
6. Step 6: Final answer
   x = 476,271.63