Finding the Fourth Proportional to 61,312.78, 91,903.73 and 34,960.78

Step by Step Solution

1. Step 1: Write the proportion equation
   61,312.78 : 91,903.73 = 34,960.78 : x
2. Step 2: Convert to fraction form
   61,312.78/91,903.73 = 34,960.78/x
3. Step 3: Cross multiply
   61,312.78x = 91,903.73 × 34,960.78
4. Step 4: Simplify right side
   61,312.78x = 3,213,026,085.71
5. Step 5: Solve for x
   x = 3,213,026,085.71/61,312.78
6. Step 6: Final answer
   x = 52,403.86