Finding the Fourth Proportional to 57,831,667.95, 86,745,041.55 and 19,493,120.55

Step by Step Solution

1. Step 1: Write the proportion equation
   57,831,667.95 : 86,745,041.55 = 19,493,120.55 : x
2. Step 2: Convert to fraction form
   57,831,667.95/86,745,041.55 = 19,493,120.55/x
3. Step 3: Cross multiply
   57,831,667.95x = 86,745,041.55 × 19,493,120.55
4. Step 4: Simplify right side
   57,831,667.95x = 1,690,931,552,048,908.75
5. Step 5: Solve for x
   x = 1,690,931,552,048,908.75/57,831,667.95
6. Step 6: Final answer
   x = 29,238,851.51