Finding the Fourth Proportional to 291,619.98, 437,429.94 and 70,003.98

Step by Step Solution

1. Step 1: Write the proportion equation
   291,619.98 : 437,429.94 = 70,003.98 : x
2. Step 2: Convert to fraction form
   291,619.98/437,429.94 = 70,003.98/x
3. Step 3: Cross multiply
   291,619.98x = 437,429.94 × 70,003.98
4. Step 4: Simplify right side
   291,619.98x = 30,621,836,771.16
5. Step 5: Solve for x
   x = 30,621,836,771.16/291,619.98
6. Step 6: Final answer
   x = 105,005.96