Finding the Fourth Proportional to 60,402.78, 90,535.81 and 30,758.00

Step by Step Solution

1. Step 1: Write the proportion equation
   60,402.78 : 90,535.81 = 30,758.00 : x
2. Step 2: Convert to fraction form
   60,402.78/90,535.81 = 30,758.00/x
3. Step 3: Cross multiply
   60,402.78x = 90,535.81 × 30,758.00
4. Step 4: Simplify right side
   60,402.78x = 2,784,699,837.51
5. Step 5: Solve for x
   x = 2,784,699,837.51/60,402.78
6. Step 6: Final answer
   x = 46,102.18