Finding the Fourth Proportional to 148,051.30, 222,314.55 and 137,136.10

Step by Step Solution

1. Step 1: Write the proportion equation
   148,051.30 : 222,314.55 = 137,136.10 : x
2. Step 2: Convert to fraction form
   148,051.30/222,314.55 = 137,136.10/x
3. Step 3: Cross multiply
   148,051.30x = 222,314.55 × 137,136.10
4. Step 4: Simplify right side
   148,051.30x = 30,487,350,360.26
5. Step 5: Solve for x
   x = 30,487,350,360.26/148,051.30
6. Step 6: Final answer
   x = 205,924.23