Finding the Fourth Proportional to 93,073,975.42, 139,429,338.53 and 72,507,395.54

Step by Step Solution

1. Step 1: Write the proportion equation
   93,073,975.42 : 139,429,338.53 = 72,507,395.54 : x
2. Step 2: Convert to fraction form
   93,073,975.42/139,429,338.53 = 72,507,395.54/x
3. Step 3: Cross multiply
   93,073,975.42x = 139,429,338.53 × 72,507,395.54
4. Step 4: Simplify right side
   93,073,975.42x = 10,109,658,197,615,588
5. Step 5: Solve for x
   x = 10,109,658,197,615,588/93,073,975.42
6. Step 6: Final answer
   x = 108,619,602.34