Finding the Fourth Proportional to 93,196.07, 128,602.42 and 52,911.53

Step by Step Solution

1. Step 1: Write the proportion equation
   93,196.07 : 128,602.42 = 52,911.53 : x
2. Step 2: Convert to fraction form
   93,196.07/128,602.42 = 52,911.53/x
3. Step 3: Cross multiply
   93,196.07x = 128,602.42 × 52,911.53
4. Step 4: Simplify right side
   93,196.07x = 6,804,550,803.90
5. Step 5: Solve for x
   x = 6,804,550,803.90/93,196.07
6. Step 6: Final answer
   x = 73,013.28