Finding the Fourth Proportional to 67,138,162.16, 100,706,905.61 and 58,012,492.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,138,162.16 : 100,706,905.61 = 58,012,492.78 : x
2. Step 2: Convert to fraction form
   67,138,162.16/100,706,905.61 = 58,012,492.78/x
3. Step 3: Cross multiply
   67,138,162.16x = 100,706,905.61 × 58,012,492.78
4. Step 4: Simplify right side
   67,138,162.16x = 5,842,258,633,802,670
5. Step 5: Solve for x
   x = 5,842,258,633,802,670/67,138,162.16
6. Step 6: Final answer
   x = 87,018,447.42