Finding the Fourth Proportional to 102,200.33, 153,300.55 and 45,974.76

Step by Step Solution

1. Step 1: Write the proportion equation
   102,200.33 : 153,300.55 = 45,974.76 : x
2. Step 2: Convert to fraction form
   102,200.33/153,300.55 = 45,974.76/x
3. Step 3: Cross multiply
   102,200.33x = 153,300.55 × 45,974.76
4. Step 4: Simplify right side
   102,200.33x = 7,047,955,994.12
5. Step 5: Solve for x
   x = 7,047,955,994.12/102,200.33
6. Step 6: Final answer
   x = 68,962.16