Finding the Fourth Proportional to 112,685.51, 155,513.49 and 64,941.93

Step by Step Solution

1. Step 1: Write the proportion equation
   112,685.51 : 155,513.49 = 64,941.93 : x
2. Step 2: Convert to fraction form
   112,685.51/155,513.49 = 64,941.93/x
3. Step 3: Cross multiply
   112,685.51x = 155,513.49 × 64,941.93
4. Step 4: Simplify right side
   112,685.51x = 10,099,346,181.64
5. Step 5: Solve for x
   x = 10,099,346,181.64/112,685.51
6. Step 6: Final answer
   x = 89,624.18