Finding the Fourth Proportional to 42,077,431.95, 63,061,401.59 and 17,120,758.07

Step by Step Solution

1. Step 1: Write the proportion equation
   42,077,431.95 : 63,061,401.59 = 17,120,758.07 : x
2. Step 2: Convert to fraction form
   42,077,431.95/63,061,401.59 = 17,120,758.07/x
3. Step 3: Cross multiply
   42,077,431.95x = 63,061,401.59 × 17,120,758.07
4. Step 4: Simplify right side
   42,077,431.95x = 1,079,659,000,410,060.25
5. Step 5: Solve for x
   x = 1,079,659,000,410,060.25/42,077,431.95
6. Step 6: Final answer
   x = 25,658,861.54