Finding the Fourth Proportional to 286,032.06, 429,068.61 and 75,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   286,032.06 : 429,068.61 = 75,667.50 : x
2. Step 2: Convert to fraction form
   286,032.06/429,068.61 = 75,667.50/x
3. Step 3: Cross multiply
   286,032.06x = 429,068.61 × 75,667.50
4. Step 4: Simplify right side
   286,032.06x = 32,466,549,047.18
5. Step 5: Solve for x
   x = 32,466,549,047.18/286,032.06
6. Step 6: Final answer
   x = 113,506.68