Finding the Fourth Proportional to 142,773.79, 214,009.98 and 47,914.03

Step by Step Solution

1. Step 1: Write the proportion equation
   142,773.79 : 214,009.98 = 47,914.03 : x
2. Step 2: Convert to fraction form
   142,773.79/214,009.98 = 47,914.03/x
3. Step 3: Cross multiply
   142,773.79x = 214,009.98 × 47,914.03
4. Step 4: Simplify right side
   142,773.79x = 10,254,080,602.02
5. Step 5: Solve for x
   x = 10,254,080,602.02/142,773.79
6. Step 6: Final answer
   x = 71,820.47