Finding the Fourth Proportional to 112,342,780.05, 155,022,158.55 and 70,513,474.47

Step by Step Solution

1. Step 1: Write the proportion equation
   112,342,780.05 : 155,022,158.55 = 70,513,474.47 : x
2. Step 2: Convert to fraction form
   112,342,780.05/155,022,158.55 = 70,513,474.47/x
3. Step 3: Cross multiply
   112,342,780.05x = 155,022,158.55 × 70,513,474.47
4. Step 4: Simplify right side
   112,342,780.05x = 10,931,151,019,199,718
5. Step 5: Solve for x
   x = 10,931,151,019,199,718/112,342,780.05
6. Step 6: Final answer
   x = 97,301,767.09