Finding the Fourth Proportional to 139,709,399.64, 191,402,560.52 and 134,473,128.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,709,399.64 : 191,402,560.52 = 134,473,128.16 : x
2. Step 2: Convert to fraction form
   139,709,399.64/191,402,560.52 = 134,473,128.16/x
3. Step 3: Cross multiply
   139,709,399.64x = 191,402,560.52 × 134,473,128.16
4. Step 4: Simplify right side
   139,709,399.64x = 25,738,501,050,958,116
5. Step 5: Solve for x
   x = 25,738,501,050,958,116/139,709,399.64
6. Step 6: Final answer
   x = 184,228,842.99