Finding the Fourth Proportional to 510,402.35, 765,719.71 and 155,444.05

Step by Step Solution

1. Step 1: Write the proportion equation
   510,402.35 : 765,719.71 = 155,444.05 : x
2. Step 2: Convert to fraction form
   510,402.35/765,719.71 = 155,444.05/x
3. Step 3: Cross multiply
   510,402.35x = 765,719.71 × 155,444.05
4. Step 4: Simplify right side
   510,402.35x = 119,026,572,887.23
5. Step 5: Solve for x
   x = 119,026,572,887.23/510,402.35
6. Step 6: Final answer
   x = 233,201.46