Finding the Fourth Proportional to 93,213, 139,799.88 and 30,038.88

Step by Step Solution

1. Step 1: Write the proportion equation
   93,213 : 139,799.88 = 30,038.88 : x
2. Step 2: Convert to fraction form
   93,213/139,799.88 = 30,038.88/x
3. Step 3: Cross multiply
   93,213x = 139,799.88 × 30,038.88
4. Step 4: Simplify right side
   93,213x = 4,199,431,819.33
5. Step 5: Solve for x
   x = 4,199,431,819.33/93,213
6. Step 6: Final answer
   x = 45,052.00