Finding the Fourth Proportional to 142,480, 213,722.88 and 37,308.16

Step by Step Solution

1. Step 1: Write the proportion equation
   142,480 : 213,722.88 = 37,308.16 : x
2. Step 2: Convert to fraction form
   142,480/213,722.88 = 37,308.16/x
3. Step 3: Cross multiply
   142,480x = 213,722.88 × 37,308.16
4. Step 4: Simplify right side
   142,480x = 7,973,607,402.70
5. Step 5: Solve for x
   x = 7,973,607,402.70/142,480
6. Step 6: Final answer
   x = 55,962.99