Finding the Fourth Proportional to 112,368.72, 155,068.68 and 62,067.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,368.72 : 155,068.68 = 62,067.72 : x
2. Step 2: Convert to fraction form
   112,368.72/155,068.68 = 62,067.72/x
3. Step 3: Cross multiply
   112,368.72x = 155,068.68 × 62,067.72
4. Step 4: Simplify right side
   112,368.72x = 9,624,759,411.01
5. Step 5: Solve for x
   x = 9,624,759,411.01/112,368.72
6. Step 6: Final answer
   x = 85,653.37