Finding the Fourth Proportional to 39,776,117.86, 59,673,153.57 and 12,112,510.06

Step by Step Solution

1. Step 1: Write the proportion equation
   39,776,117.86 : 59,673,153.57 = 12,112,510.06 : x
2. Step 2: Convert to fraction form
   39,776,117.86/59,673,153.57 = 12,112,510.06/x
3. Step 3: Cross multiply
   39,776,117.86x = 59,673,153.57 × 12,112,510.06
4. Step 4: Simplify right side
   39,776,117.86x = 722,791,672,928,550
5. Step 5: Solve for x
   x = 722,791,672,928,550/39,776,117.86
6. Step 6: Final answer
   x = 18,171,498.67