Finding the Fourth Proportional to 45,902, 68,864.52 and 13,070

Step by Step Solution

1. Step 1: Write the proportion equation
   45,902 : 68,864.52 = 13,070 : x
2. Step 2: Convert to fraction form
   45,902/68,864.52 = 13,070/x
3. Step 3: Cross multiply
   45,902x = 68,864.52 × 13,070
4. Step 4: Simplify right side
   45,902x = 900,059,276.40
5. Step 5: Solve for x
   x = 900,059,276.40/45,902
6. Step 6: Final answer
   x = 19,608.28