Finding the Fourth Proportional to 111,477.84, 153,967.18 and 73,407.57

Step by Step Solution

1. Step 1: Write the proportion equation
   111,477.84 : 153,967.18 = 73,407.57 : x
2. Step 2: Convert to fraction form
   111,477.84/153,967.18 = 73,407.57/x
3. Step 3: Cross multiply
   111,477.84x = 153,967.18 × 73,407.57
4. Step 4: Simplify right side
   111,477.84x = 11,302,356,543.55
5. Step 5: Solve for x
   x = 11,302,356,543.55/111,477.84
6. Step 6: Final answer
   x = 101,386.58