Finding the Fourth Proportional to 93,300.53, 128,754.69 and 55,060.16

Step by Step Solution

1. Step 1: Write the proportion equation
   93,300.53 : 128,754.69 = 55,060.16 : x
2. Step 2: Convert to fraction form
   93,300.53/128,754.69 = 55,060.16/x
3. Step 3: Cross multiply
   93,300.53x = 128,754.69 × 55,060.16
4. Step 4: Simplify right side
   93,300.53x = 7,089,253,136.76
5. Step 5: Solve for x
   x = 7,089,253,136.76/93,300.53
6. Step 6: Final answer
   x = 75,982.99