Finding the Fourth Proportional to 61,419.74, 91,958.52 and 31,368.90

Step by Step Solution

1. Step 1: Write the proportion equation
   61,419.74 : 91,958.52 = 31,368.90 : x
2. Step 2: Convert to fraction form
   61,419.74/91,958.52 = 31,368.90/x
3. Step 3: Cross multiply
   61,419.74x = 91,958.52 × 31,368.90
4. Step 4: Simplify right side
   61,419.74x = 2,884,638,080.51
5. Step 5: Solve for x
   x = 2,884,638,080.51/61,419.74
6. Step 6: Final answer
   x = 46,965.98